Breitling Chronomat Colt Automatic 44 Watch - Steel Case - Volcano Black Dial - Black Leather Strap - A17388101B1X1 IW391025 caliber Omega 9901 self-winding Co-Axial

caliber Omega 9901 self-winding Co-Axial master chronometer movement with chronograph function

fluted 18K yellow gold crown set with a synthetic cabochon-shaped spinel

brown rubber strap with iwc-patented quick-change system

mat black and blue dial with yellow and white luminescent indexes

42 mm satin-finished and polished grey ceramic case

Breitling Chronomat Colt Automatic 44 Watch - Steel Case - Volcano Black Dial - Black Leather Strap - A17388101B1X1 IW391025 caliber Omega 9901 self-winding Co-Axial44. 00 mm steel case, 11. 25 mm thick, screw locked crown with two gaskets, unidirectional ratcheted bezel, sapphire crystal with glareproof treatment on both sides, volcano black dial, Breitling 17 self winding movement with calendar via dial aperture, approximately 38 hours of power reserve, black leather strap, tang buckle. Water resistant to 200 m (660 ft).